1991 Mercedes-Benz 500 vs. 1985 Volvo 780
To start off, 1991 Mercedes-Benz 500 is newer by 6 year(s). Which means there will be less support and parts availability for 1985 Volvo 780. In addition, the cost of maintenance, including insurance, on 1985 Volvo 780 would be higher. At 4,971 cc (8 cylinders), 1991 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 500 (326 HP @ 5700 RPM) has 199 more horse power than 1985 Volvo 780. (127 HP @ 4800 RPM). In normal driving conditions, 1991 Mercedes-Benz 500 should accelerate faster than 1985 Volvo 780. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 500 weights approximately 542 kg more than 1985 Volvo 780. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1991 Mercedes-Benz 500 (480 Nm @ 3900 RPM) has 230 more torque (in Nm) than 1985 Volvo 780. (250 Nm @ 2400 RPM). This means 1991 Mercedes-Benz 500 will have an easier job in driving up hills or pulling heavy equipment than 1985 Volvo 780.
Compare all specifications:
| 1991 Mercedes-Benz 500 | 1985 Volvo 780 | |
| Make | Mercedes-Benz | Volvo |
| Model | 500 | 780 |
| Year Released | 1991 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 4971 cc | 2383 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 326 HP | 127 HP |
| Engine RPM | 5700 RPM | 4800 RPM |
| Torque | 480 Nm | 250 Nm |
| Torque RPM | 3900 RPM | 2400 RPM |
| Engine Bore Size | 96.5 mm | 76.5 mm |
| Engine Stroke Size | 85 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 23.0:1 |
| Top Speed | 249 km/hour | 187 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 10.8 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2012 kg | 1470 kg |
| Vehicle Length | 5220 mm | 4800 mm |
| Vehicle Width | 1890 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1410 mm |
| Wheelbase Size | 3150 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 80 L |
